{"id": 4594, "prediction_verbatim": "BTC higher in 48h", "created_at": "2026-05-07 04:10:53", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-09 04:12:56", "chain_hash": "aa4e6beb93b0b6f65f060c5ebec0509c9bf0452875e12aad01f1b882da74b26d", "chain_tx": "3JTskjNA1P7fXqqQUa3s27cRnQN4aDfMibmR2ndinQPBBi3J58GDZsCpDdQmtFe5P7jpascxdsnb7U61NTRDKBJs", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}